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| module TemplateView | |
| def self.home_view | |
| home_view = <<-HTML | |
| <html> | |
| <head> <title> Home </title> </head> | |
| <body> | |
| <form method=”post” action=”save_task”> | |
| Task Name: <input type=”text” name=”task”> | |
| <input type=”submit” value=”save” > | |
| </form> |
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| module Todo | |
| class Application | |
| include TemplateView | |
| class << self | |
| def call(env) | |
| if(env[‘PATH_INFO’] == ‘/’) | |
| view = TemplateView.home_view | |
| end | |
| end | |
| end |
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| require ‘erb’ | |
| require “sqlite3” | |
| DB = SQLite3::Database.new “test.db” | |
| rows = db.execute <<-SQL | |
| create table tasks ( name varchar(30), finished int ); | |
| SQL |
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| elsif(env[‘PATH_INFO’] == ‘/save_task’ && env[‘REQUEST_METHOD’] == “POST”) | |
| req = Rack::Request.new(env) | |
| task_name = req.params[“task”] | |
| DB.execute(“INSERT INTO tasks (name, finished) VALUES (?, ?)”, [task_name,0]) | |
| return [ 302, {‘Location’ =>”/”}, [] ] |
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| <% DB.execute( “select rowid, * from tasks” ) do |row| %> | |
| <li><%= row[1] %> <% if(row[2] == 1) %>(finished) <% end %><a href=”/edit?id=<%= row[0]%>”>edit </a> <a href=”/delete?id=<%= row[0]%>”> del</a></li> | |
| <% end %> |
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| elsif(env[‘PATH_INFO’] ==’/delete’) | |
| req = Rack::Request.new(env) id = req.params[“id”] DB.execute(“delete from tasks where rowid=’#{id}’”) | |
| return [ 302, {‘Location’ =>”/”}, [] ] |
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| elsif(env[‘PATH_INFO’] == ‘/edit’) | |
| req = Rack::Request.new(env) | |
| id = req.params[‘id’] | |
| view = TemplateView.edit_view(id) |
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| <% DB.execute(“select rowid, * from tasks where rowid = #{id}”) do |row| %> | |
| <form method=”post” action=”/update?id=<%= row[0]%>”> | |
| Task Name: <input type=”text” name=”task” value=”<%= row[1] %>”> | |
| Finished?: <input type=”checkbox” name=”finished” value=”1" <% if(row[2] == 1) %> checked <% end%>> | |
| <input type=”submit” value=”Update” > | |
| </form> | |
| <% end %> |
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| elsif(env[‘PATH_INFO’] ==’/update’ && env[‘REQUEST_METHOD’] == “POST”) | |
| req = Rack::Request.new(env) | |
| id = req.params[“id”] | |
| task = req.params[“task”] | |
| finish = 0 | |
| if(req.params.include? ‘finished’) | |
| finish = 1 | |
| end | |
| DB.execute(“UPDATE tasks set name = ‘#{task}’, finished = ‘#{finish}’ where rowid=’#{id}’”) | |
| return [ 302, {‘Location’ =>”/”}, [] ] |
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| source 'https://rubygems.org' | |
| gem 'rack' | |
| gem 'pg' | |
| gem 'puma' | |
| gem 'tilt' |
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